what is Internet

INTERNET

The internet is a decentralized set of interconnected communication networks that use the TCP / IP family of protocols, which guarantees that the heterogeneous physical networks that compose it form a unique logical network of worldwide scope. Its origins go back to 1969, when the first computer connection, known as ARPANET, was established between three universities in California (United States).



One of the most successful services on the Internet has been the World Wide Web (WWW or the Web), to such an extent that confusion between both terms is common. The WWW is a set of protocols that allows, in a simple way, remote consultation of hypertext files. This was a later development (1990) and uses the internet as a means of transmission.4

There are, therefore, many other services and protocols on the Internet, apart from the Web: the sending of electronic mail (SMTP), the transmission of files (FTP and P2P), online conversations (IRC), instant messaging and presence , the transmission of content and multimedia communication -telephony (VoIP), television (IPTV) -, electronic bulletins (NNTP), remote access to other devices (SSH and Telnet) or online games.4 5 6



The use of the Internet grew rapidly in the Western Hemisphere since the mid-1990s, and since the end of the decade in the rest of the world.7 In the 20 years since 1995, the use of the Internet has multiplied by 100. , covering one third of the world's population in 2015.8 9 Most communication industries, including telephony, radio, television, and traditional newspapers are being transformed or redefined by the Internet, allowing the birth of new services such as email] (email), internet telephony, Internet television, digital music, and digital video. The publishing industries of newspapers, books and other print media are adapting to the technology of websites, or are being reconverted into blogs, web feeds or news aggregators (eg, Google News).

The Internet has also allowed or accelerated new forms of personal interaction through instant messaging, Internet forums, and social networks such as Facebook. E-commerce has grown exponentially for both large chains as well as for small and medium enterprises or new entrepreneurs, since it allows serving larger markets and selling products and services completely online. Business-to-business relationships and online financial services on the Internet have affected the supply chains of entire industries.

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